Re: RAID Class Drives`

[Eric Shubert <ejs@shubes.net>]

Brad Campbell wrote:
> Eric Shubert wrote:
> 
>> I had a few drives running at about 55C for a couple years, with no 
>> failures (knock wood). These were used drives before being put into 
>> that environment, so they arguably had already survived the "infant 
>> mortality syndrome" that the google study identified. Would I 
>> recommend running drives at 55C? No, but I wouldn't be too concerned 
>> about it either.
> 
> I know of at least one manufacturer who voids the warranty if the drive 
> exceeds 55 Degrees.

Care to name names? (Inquiring minds want to know!)

> I have a couple of drives here that have the 
> "Exceeded 55 degrees" mark permanently recorded in their SMART data now. 
> Having said that, I've not had issues with them yet (they only have 
> about 14,000 hours on them).
> 
> I'd wager that extended running at elevated temperatures has the 
> potential to affect the bearing lubricant, but it's just an hunch. I've 
> never killed a drive from overtemp (and in a couple of cases I actually 
> tried).

That would be my guess as well, although I'm sure that there are high 
temp lubes available. Just depends on what the mfr uses.

-- 
-Eric 'shubes'